BELT CONVEYOR Russian patent published in 2006 - IPC B65G15/00 B65G15/60 

FIELD: mechanical engineering; belt conveyors.

SUBSTANCE: invention relates to belt conveyors with single-drum drive and deflecting drum. Proposed belt conveyor has frame, endless belt closed on drive and tension drums, deflecting drum installed in zone of belt running off from drive drum and receiving funnel for material unloaded from conveyor. Deflecting drum is kinematically coupled with drive drum at gear ratio less than unity. Kinematic coupling is made in form of bevel gears installed on axles of both drums and transmission shaft with bevel gears on its ends for meshing with said bevel gears. Cylindrical surface of deflecting drum is formed by replaceable ribs, wedge-like in cross-section, narrowing in direction of said cylindrical surface for engagement with working surface of conveyor belt. Ribs are freely fitted in wedge slots in end face walls of deflecting drum and are locked from longitudinal displacement by bands fitted in cuts of ribs from outer side of end face walls of deflecting drum. Flexible endless belt enclosing deflecting drum from bottom is laid on three rollers under drive and deflecting drums. One rollers is arranged in zone of conveyor belt running off from deflecting drum with minimum clearance relative to conveyor belt, second roller is arranged under cut of receiving funnel, and third one is installed for displacement and locking in vertical guides under deflecting drum.

EFFECT: combination of functions of deflecting drum and belt cleaning appliance with increase of pulling properties of single-drum drive of conveyor, and increased efficiency of belt cleaning.

5 dwg